142117605244488 has 128 divisors (see below), whose sum is σ = 364465657918080. Its totient is φ = 46162391009280.

The previous prime is 142117605244481. The next prime is 142117605244529. The reversal of 142117605244488 is 884442506711241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142117605244481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213341820 + ... + 214006932.

It is an arithmetic number, because the mean of its divisors is an integer number (2847387952485).

Almost surely, 2^{142117605244488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142117605244488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182232828959040).

142117605244488 is an abundant number, since it is smaller than the sum of its proper divisors (222348052673592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142117605244488 is a wasteful number, since it uses less digits than its factorization.

142117605244488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666319 (or 666315 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 57.

The spelling of 142117605244488 in words is "one hundred forty-two trillion, one hundred seventeen billion, six hundred five million, two hundred forty-four thousand, four hundred eighty-eight".